Back firing on throttle closing

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icepirate34
TRX-Enthusiast
Posts: 10
Joined: Tue Sep 10, 2013 7:32 am

Back firing on throttle closing

Post by icepirate34 » Wed Jul 15, 2015 8:01 pm

Hi

Can somebody give me some ideas- all of a sudden the bike started to backfire on acceleration and deceleration with a loss of power. I have cleaned the carbs and this seems to have got rid of the backfiring on acceleration but on deceleration the hotter the engine Is the more it backfires - seems to be from both cylinders, also a couple of times it has backfired through the carbs

> I have no idea of the engine history but I think mileage is around 48K - don't know if the shims have been checked
> Engine is quite noisy when hot but fine on start up

I have read a lot about emulsion tubes and tight shims - could it be this or is it an air leak - could not find one with the carbs off but hey


inspiration required

Ta

Kev

deathtoll
TRX-Enthusiast
Posts: 41
Joined: Sat Sep 07, 2013 10:17 am
Location: Perth Western Australia

Re: Back firing on throttle closing

Post by deathtoll » Thu Jul 16, 2015 8:35 am


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